Intrusion the act of wrongfully entering upon, seizing, or taking possession of property owned and/or operated by others.

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4
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2answers
88 views

What is a “roving” backdoor?

What is a "roving" backdoor? I understand the general concept of a backdoor. Emphasis on keyword qualifier: "roving"...
0
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1answer
27 views

Windows SQL Server Intrusion Detection [closed]

I'm looking into Snort to carry our basic intrusion detection, but finding it hard going. What other Intrusion Detection software is there that is good to use for SQL Server?
1
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1answer
43 views

kernel: Intrusion disconnecting me

I've read about it a little but I'm concerned. It never happened before and for last 5 hours my router gets kernel: Intrusion alerts similar to these: As soon as the kernel: Intrusion is detected, ...
2
votes
0answers
55 views

Help locate “snot” IPS/IDS testing tool? [closed]

It seems this great tool has been lost to internet backlog somewhere. I cannot locate it anywhere. The description of tools provided is http://www.securityfocus.com/tools/category/112 If someone on ...
1
vote
3answers
137 views

Large amount of foreign IPs hitting out firewall, is this automated scans or are we under attack?

I just got put in charge of a network. In the logs on our firewall I noticed that we had a large amounts of machines trying to connect to port 53 as well as about a dozen other ports. Are these ...
1
vote
0answers
45 views

How to test OSSEC HIDS using a linux dataset containing raw system call traces?

I have been tasked to test effectiveness of OSSEC HIDS (by effectiveness I mean detection rate it achieves as well as false positives rate) when a dataset of raw system call traces are used. The ...
-1
votes
2answers
225 views

What are security risks of connecting to my home vpn from my work?

I connected to my home-made VPN, which uses OpenVPN and 2048bits encryption keys, from my work. What are the security risks of doing so, given the fact that the servers are in the same network my ...
12
votes
3answers
702 views

Drupal server compromised - I want to investigate the attack technique / compromise

I've got a drupal site running on an up to date CentOS 7 LAMP AWS EC2 instance (freshly installed a couple of months ago) and I've just found out that somehow, probably through a poorly coded 3rd ...
2
votes
1answer
137 views

How to detect when your RAM is being copied or scanned by a hypervisor

I am working in a Virtual Machine that is on a ESXi server on a remote machine. I am not the only one who has access to the ESXi and others could take memory snapshots of my running VM. Is there a way ...
2
votes
1answer
330 views

Snort even though working properly does not report majority of rules

I have installed Snort 2.9.7.0 and it does not detect majority of attacks, such as nmap port scans, downloading exe files, opening documents containing keyword "root". I use Snort together with ...
2
votes
1answer
286 views

kernel: Intrusion IN=ppp0 on my Fairpoint assigned router from IP in China

I'm getting these user alerts: kernel: Intrusion -> IN=ppp0 OUT= MAC= SRC=115.230.125.147 DST=xx.xxx.xxx.xxx LEN=40 TOS=0x08 PREC=0x20 TTL=107 ID=256 PROTO=TCP SPT=64316 DPT=9064 WINDOW=15500 ...
0
votes
1answer
167 views

Puzzle: network intrusion or OpenDNS/Disconnect.me collision?

My home / home-office network uses OpenDNS as a content filter. As the OpenDNS admin, I received a "User wants access to..." email indicating that someone tried to access a blocked site and requested ...
7
votes
2answers
446 views

How exactly was Sony Pictures hacked November 2014? [closed]

There is lots of media coverage like this one but I have not yet been able to find details on how the hackers got into the network, the servers and the users' systems. So what vulnerabilities / ...
0
votes
3answers
828 views

Why do we need IDS/IPS if a firewall is present?

Why do we need IDS/IPS if a firewall is present?
0
votes
1answer
55 views

cd-rom distro — plus additional validation

dear security experts: we would like to create a very safe webserver. we are in awe at the sophistication and complexity of many solutions, but they don't apply to us. we are a small shop. by ...
0
votes
1answer
54 views

What to do when a Linux account gets owned?

What is the best course of action when you discover that a non-administrator Linux account has gotten owned, and a single foreign process is running, making all sorts of networking connections? For ...
3
votes
3answers
191 views

Can closed, sleeping MacBook send network data?

I would think the answer is unequivocally, "No." But... My MacBook Pro logged "Diagnostic and Usage Messages" in the Console, at 4:19am, while it was physically closed and (therefore) sleeping. I was ...
1
vote
2answers
236 views

Intrusion Detected - OS Attack

I have recently gotten a prompt from my anti virus stating that there was an intrusion with an OS attack as describe in the link below: ...
4
votes
4answers
89 views

What kinds of attacks would be missed if we don't look at both host and network activity

Suppose I have both network based IDS and host based IDS installed in my environment, will I miss any security attacks if I don't correlate the information from these sources? If so, what are they? It ...
0
votes
1answer
452 views

My cookies have been stolen. What to do?

About a month and a half ago I got infected by a virus called MSIL.Bladabindi. I noticed the virus quite soon because google notified me that someone from Turkey tried to access my account (I'm in ...
1
vote
0answers
112 views

Browser version 0.0 in visitor logs [closed]

I am seeing quite a few browser "version 0.0" in visitor log. Can anyone explain the significance of this? Please see examples below. Thanks. Safari version 0.0 running on ChromeOS Chrome version ...
6
votes
4answers
2k views

Suggestions to avoid cookie-hijacking in a web application

I've been developing web-apps for quite some time now. While making websites, the "remember me" feature is one of the most trivial(read as must-have-for-clients) feature to be implemented. Until ...
1
vote
1answer
87 views

Help with successful Internal intrusions

I'm requesting some help with a particular breach of access that we've experienced in our environment. the attacker is an internal employee who has made a few notes about the environment that I ...
4
votes
1answer
875 views

Intrusion prevention in windows azure?

When using the Windows Azure IAAS servers how does one setup IPS for all incoming traffic to these servers? How would a regular user who runs his whole environment within Azure make sure that he can ...
0
votes
2answers
101 views

Statistics about Significant security breaches in 2013 [closed]

I am curious in general if there are any reporting that collects statistics about the security breaches? like per country per industry and revenue losses? I am not interested in anonymized breaches ...
0
votes
1answer
283 views

IDS false positive rates

Are there any industry accepted standards for the false positive rates for a Network IDS based on Snort? Is there a way to check the false positive rates in a deployed IDS? (ideally without looking at ...
0
votes
2answers
219 views

PC showed evidence of a phone being attached for no obvious reason. Theories on why? [closed]

Connecting via remote desktop to a Windows 7 machine today showed the last couple of seconds of a windows device installing and the "Your device is ready" popup for a Sony Xperia T. Going to ...
1
vote
2answers
261 views

Identify users accessing hidden link in a website

Recently I put some hidden links in a web site in order to trap web crawlers. (Used CSS visibility hidden style in order to avoid human users accessing it). Any way, I found that there were plenty of ...
0
votes
3answers
619 views

Why there are uninvited incoming packets to my ADSL connection?

To verify this, I boot my PC from Kali Linux live distro. Before establishing ADSL/PPP connection, I start Wireshark and listen on any pseudo device. Then I create the connection to ISP network. ...
-1
votes
1answer
274 views

Can we identify if someone is keeping an eye on our computer usage?

For some reason I had been using public network for a small time, and I suspect that someone was actually watching/recording my online/offline activities. At some time I suspected that someone was ...
-1
votes
1answer
71 views

Network and data security for small online businesses? [closed]

What is the most efficient way of protecting small online business from outside threats. Everything too much expensive is not a solution. I've been looking for good web application firewall and at ...
1
vote
3answers
342 views

How to check if our clients were compromised by security breaches in other web applications?

Every now and then a known website is hacked, such as what happened to Adobe or Cupid Media. In such incidents user data is leaked, including usernames, encrypted (and sometimes plain text!) ...
1
vote
2answers
176 views

How to properly configure OSSEC for Web Application Security ?

I would like to implement OSSEC as HIDS on my server, but by default OSSIC monitors a number of folders. I am going to deploy a web application on my server. So what should be my default OSSEC ...
1
vote
3answers
319 views

How did Snowden do it? [closed]

We've all read about how Edward Snowden got access to thousands of classified documents and shared them with reporters. But how did he do it? He got access to tons of documents that he was not ...
0
votes
2answers
1k views

Could my computer be infiltrated if someone knows my external IP? [closed]

Could my computer be compromised if someone knew my external IP? I know that when you type that in it just goes into the router page, but my computer is connected to said router. If so, what is the ...
16
votes
7answers
2k views

Defence Against Keyboard Keylogger

I am wondering whether there is a way to defend against USB Keyboard Keylogger (obviously other than physically checking the keyboard every time after leaving my computer unattended). These days, ...
3
votes
4answers
276 views

To disconnect or not disconnect an intruder?

Most of the time, when an intruder is detected, we would disconnect it at once. However there are certain cases where the intruder is not disconnected. What are the benefits of not disconnecting the ...
1
vote
1answer
461 views

Intrusions attempt monitoring (on MacOS X) [closed]

I know utilities such as last exist - but not sure if it's applicable for my needs - I'd like a system to notify me of any login attempts on any of my macs (home, work or remote). Attempts from a ...
2
votes
3answers
194 views

Avoid third party access to system

I need to go through airport security and customs, and its known that at least the German customs (http://en.wiktionary.org/wiki/Bundestrojaner) (and I suspect others as well) try to upload software ...
1
vote
0answers
122 views

State transition Analysis Technique

As far as I have read and understood STAT is a concept used to design a platform independent IDS. My doubt is whether there exists any compiler/interpreter for STAT Language as I am planning to do a ...
-2
votes
2answers
91 views

Block all kind of querys from ip [closed]

I want to check my network intrusion detection system (physical intrusion like unauthorized gadgets or devices in wifi/ethernet). Until now everything is ok, but I was wondering if I block every query ...
-1
votes
1answer
877 views

Where can I find a list of Indicators of Compromise (IOC) conditions?

OpenIOC.org has several schemas defining Indicators of Compromise. The Schema is defined here: http://schemas.mandiant.com/2010/ioc/ioc.xsd While under IndicatorItemContext/search says it is ...
4
votes
1answer
128 views

Security / logging on a Xen-based VPS instance?

Our company has a Xen-based instance on a VPS provider and we have some sensitive data stored on it. Is there a way for me to tell if/when employees of the hosting company have accessed my VPS (by ...
7
votes
4answers
1k views

Has my network/computer been breached?

I'm not sure if this is the right site to ask, so I apologise if it isn't, but here goes. A while ago I started noticing some odd behaviour. My Gmail account was compromised, it seemed, and I had to ...
9
votes
5answers
547 views

How would you detect whether customer data has been leaked?

I'm a very security conscious (bordering paranoia) freelance web developer and I place a lot of emphasis on security with my clients, alas I've found this doesn't seem to be the case for the average ...
3
votes
2answers
637 views

Why does layer 2 IDS seem underdeveloped compared to layer 3 IDS, for wireless network?

I understand that there are many applications such as Snort that do the job for network layer 3 IDS. From what I have researched, layer 2 wireless IDS seems like a field that is very slow in ...
3
votes
1answer
2k views

Are Kismet (on OpenWRT) and Snort IDS (on a linux server) compatitble?

I'm trying to develop an IDS/IPS system project to include these elements: A router running OpenWRT running Kismet drone (Attitude Adjustment 12.09rc1) A Linux server (Running Kismet server + client) ...
1
vote
2answers
1k views

How to Secure My DropBox Installation?

I am sharing a DropBox Folder with by Friends for a project so that we can be updated with each other progress. But i was not very convince after reading the How secure is Dropbox?. What if one of my ...
2
votes
3answers
351 views

How to lure a Hacker?

I am suspecting someone unauthorized is trying to or already in the network trying to get information on some data that we have. How can I lure this person to a "Honeypot" and gather information while ...
3
votes
3answers
1k views

unknown MAC address in the LAN, DD-WRT router

I am using a linksys router with DD-WRT firmware with a WiBro internet connection, the ISP uses a hub with multiple user connected to it. The issue is that an unidentified MAC address seems to pop up ...